VRAH-02C5000

Series:	xRAH-02C50x
Packaging:	Tube
Part Status:	Obsolete
Type:	Non-Isolated PoL Module
Number of Outputs:	1
Voltage - Input (Min):	3V
Voltage - Input (Max):	3.6V
Voltage - Output 1:	5V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	1.5A
Power (Watts):	8W
Applications:	ITE (Commercial)
Features:	--
Operating Temperature:	-40°C ~ 85°C
Efficiency:	87%
Mounting Type:	Through Hole
Package / Case:	5-SIP Module
Size / Dimension:	0.70" L x 0.31" W x 0.65" H (17.8mm x 7.9mm x 16.5mm)

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DC DC Converters

DC-DC converters are electronic devices used to convert a DC voltage source, the input, to a different DC voltage, the output. They are used in a wide variety of applications such as automotive, industrial, and telecommunications. VRAH-02C5000 is one of these types of converters and is primarily used in battery-powered systems.

Overview:

VRAH-02C5000 is a high-efficiency DC-DC converter with a wide input voltage range suitable for use in a variety of applications. It features step-down voltage conversion from the input voltage and can provide up to 5A of output current for increased power demands. The device offers a small package size with a wide input voltage range of 4.5-18V, allowing for a great deal of flexibility in power applications. The device also features low quiescent current, thermal shutdown protection, and is available in adjustable and fixed output versions.

Features:

• High efficiency: VRAH-02C5000 provides up to 95% efficiency• Wide input voltage range: 4.5V to 18V • Maximum output current: 5A• Small package size for flexible application • Available in adjustable and fixed output versions • Low quiescent current • Thermal shutdown protection

Applications:

The VRAH-02C5000 is most suitable for battery-powered applications such as portable electronics, medical devices, and consumer electronics. It can be used in automotive applications, industrial applications, networking/telecom, and any other application requiring efficient DC-DC conversion.

Working Principle:

The VRAH-02C5000 DC-DC converter utilizes the switch-mode conversion principle, one of the most common DC-DC converter principles. It uses a combination of an inductor, a switch, and a capacitor to perform the voltage conversion. A PWM (pulse width modulation) signal is used to control the switch, allowing for precise voltage control. During the on state of the switch, the voltage from the input is connected to the inductor, resulting in the buildup of magnetic energy. During the off state, the energy from the inductor is transferred to the output capacitor, resulting in a voltage step-down. This process is repeated at the frequency of the PWM signal, resulting in a DC-out voltage. The VRAH-02C5000 device utilizes a fixed-frequency PWM signal of 500kHz to allow for higher efficiency at light load conditions. It also utilizes control logic to regulate the output voltage, providing a stable DC output voltage. The device also includes a number of protection features such as over-voltage protection, current limit protection, and thermal shutdown protection to ensure the device is operating within the manufacturer’s safety and performance specification.

Conclusion:

The VRAH-02C5000 is a high-efficiency DC-DC converter suitable for a variety of battery-powered applications. Its wide input voltage range, small package size, low quiescent current, and thermal protection makes it ideal for portable and consumer electronics. It utilizes the switch-mode conversion principle and a fixed frequency PWM signal to provide stable voltage conversion, while its integrated protection features ensure safe and reliable operation.

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